gruntjs - Cannot get grunt to perform uglify -


i'm using grunt , trying uglify js file produced concat task. concat works fine, uglify fails following error.

running "uglify:dist" (uglify) task >> uglifying source "dist/myapp.js" failed. warning: uglification failed. used --force, continuing. warning: cannot read property 'min' of undefined used --force, continuing.

node --version outputs v.0.11.8-pre

grunt --version outputs grunt-cli v0.1.9 grunt v.0.4.1

here gruntfile.js. copied documentation , removed tasks don't need.

module.exports = function(grunt) {    grunt.initconfig({     pkg: grunt.file.readjson('package.json'),     concat: {       options: {         separator: ';'       },       dist: {         src: ['src/**/*.js'],         dest: 'dist/<%= pkg.name %>.js'       }     },     uglify: {       options: {         banner: '/*! <%= pkg.name %> <%= grunt.template.today("dd-mm-yyyy") %> */\n'       },       dist: {         files: {           'dist/<%= pkg.name %>.min.js': ['<%= concat.dist.dest %>']         }       }     }   });    grunt.loadnpmtasks('grunt-contrib-concat');   grunt.loadnpmtasks('grunt-contrib-uglify');    grunt.registertask('default', ['concat', 'uglify']);  };

i ran sudo npm install xxx --save-dev grunt, grunt-contrib-concat, , grunt-contrib-uglify in project directory. project directory looks this.

. ├─── src |    └─── // bunch of files/dirs here ├─── dist ├─── node_modules ├─── .git ├─── package.json └─── gruntfile.js

here output running grunt --verbose --stack --debug

running "uglify:dist" (uglify) task [d] task source: /home/cookiemon/dropbox/projects/myapp/node_modules/grunt-contrib-uglify/tasks/uglify.js verifying property uglify.dist exists in config...ok files: dist/myapp.js -> dist/myapp.min.js minifying uglifyjs...>> uglifying source "dist/myapp.js" failed. warning: uglification failed. use --force continue. typeerror: object #<object> has no method 'outputstream'     @ object.exports.minify (/home/cookiemon/dropbox/projects/myapp/node_modules/grunt-contrib-uglify/tasks/lib/uglify.js:30:27)     @ /home/cookiemon/dropbox/projects/myapp/node_modules/grunt-contrib-uglify/tasks/uglify.js:85:25     @ array.foreach (native)     @ object.<anonymous> (/home/cookiemon/dropbox/projects/myapp/node_modules/grunt-contrib-uglify/tasks/uglify.js:36:16)     @ object.<anonymous> (/home/cookiemon/dropbox/projects/myapp/node_modules/grunt/lib/grunt/task.js:258:15)     @ object.thistask.fn (/home/cookiemon/dropbox/projects/myapp/node_modules/grunt/lib/grunt/task.js:78:16)     @ object.<anonymous> (/home/cookiemon/dropbox/projects/myapp/node_modules/grunt/lib/util/task.js:282:30)     @ task.runtaskfn (/home/cookiemon/dropbox/projects/myapp/node_modules/grunt/lib/util/task.js:235:24)     @ task.<anonymous> (/home/cookiemon/dropbox/projects/myapp/node_modules/grunt/lib/util/task.js:281:12)     @ task.<anonymous> (/home/cookiemon/dropbox/projects/myapp/node_modules/grunt/lib/util/task.js:215:7)  aborted due warnings.

at point, have no idea missed. me out?

i solved problem. downgrading nodejs v0.10.20 fixed it.


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